[mingw/cygwin]: gthr-win32.h: remove pollution of STL namespace by win32api

[Christopher Faylor]

On Tue, May 28, 2002 at 08:30:54AM +1000, Danny Smith wrote:
>Chris, I have put the LIB2FUNCS_EXTRA definition in t-cygwin, because
>the default thread model for cygwin is still win32.  It could just as
>well go into t-mingw32 if cygwin changes to pthread model as default.

We will be changing to the pthreads model at some point so please do put
this in t-mingw32.

Feel free to check this in.  Are you going to check this into the mingw-cygwin
3.1 branch, too?

cgf